root / proj / libs / graph / include / text.h @ 362
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| 1 | 337 | up20180642 | #ifndef TEXT_H_INCLUDED
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| 2 | #define TEXT_H_INCLUDED
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| 3 | |||
| 4 | /**
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| 5 | * @defgroup text_t text_t
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| 6 | * @ingroup font_t
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| 7 | * @brief Text module.
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| 8 | *
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| 9 | * Allows to draw text in screen.
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| 10 | * @{
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| 11 | */
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| 12 | |||
| 13 | #include "font.h" |
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| 14 | |||
| 15 | /**
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| 16 | * @brief Enumeration of vertical alignment schemes.
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| 17 | */
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| 18 | typedef enum{ |
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| 19 | text_valign_top = -1,
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| 20 | text_valign_center = 0,
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| 21 | text_valign_bottom = 1
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| 22 | } text_valign; |
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| 23 | /**
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| 24 | * @brief Enumeration of horizontal alignment schemes.
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| 25 | */
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| 26 | typedef enum{ |
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| 27 | text_halign_left = -1,
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| 28 | text_halign_center = 0,
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| 29 | text_halign_right = 1
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| 30 | } text_halign; |
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| 31 | |||
| 32 | /**
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| 33 | * @brief Drawable text.
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| 34 | */
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| 35 | typedef struct text text_t; |
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| 36 | /**
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| 37 | * @brief Construct text.
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| 38 | * @param fnt Font to draw the text
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| 39 | * @param txt String to be drawn
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| 40 | * @return Pointer to constructed text
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| 41 | */
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| 42 | text_t* (text_ctor)(const font_t *fnt, const char *txt); |
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| 43 | /**
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| 44 | * @brief Destruct text.
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| 45 | * @param p Pointer to text to be destroyed
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| 46 | */
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| 47 | void (text_dtor)(text_t *p);
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| 48 | /**
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| 49 | * @brief Set text string.
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| 50 | * @param p Pointer to text
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| 51 | * @param txt String to be set
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| 52 | */
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| 53 | void (text_set_string)(text_t *p, const char *txt); |
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| 54 | /**
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| 55 | * @brief Set text position.
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| 56 | * @param p Pointer to text
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| 57 | * @param x X-position of the text
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| 58 | * @param y Y-position of the text
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| 59 | */
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| 60 | void (text_set_pos) (text_t *p, int16_t x, int16_t y);
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| 61 | /**
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| 62 | * @brief Set text size (letter size, in pixels).
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| 63 | * @param p Pointer to text
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| 64 | * @param size Letter size of the text
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| 65 | */
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| 66 | void (text_set_size) (text_t *p, uint16_t size);
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| 67 | /**
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| 68 | * @brief Set text color.
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| 69 | * @param p Pointer to text
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| 70 | * @param color Text color
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| 71 | */
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| 72 | void (text_set_color) (text_t *p, uint32_t color);
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| 73 | /**
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| 74 | * @brief Set text vertical alignment.
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| 75 | * @param p Pointer to text
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| 76 | * @param valign Vertical alignment of the text
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| 77 | */
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| 78 | void (text_set_valign)(text_t *p, text_valign valign);
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| 79 | /**
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| 80 | * @brief Set text horizontal alignment.
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| 81 | * @param p Pointer to text
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| 82 | * @param halign Horizontal alignment of the text
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| 83 | */
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| 84 | void (text_set_halign)(text_t *p, text_halign halign);
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| 85 | /**
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| 86 | * @brief Get string of the text.
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| 87 | * @param p Pointer to text
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| 88 | * @return Pointer to string
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| 89 | */
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| 90 | const char* (text_get_string)(const text_t *p); |
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| 91 | /**
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| 92 | * @brief Get text x-position.
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| 93 | * @param p Pointer to text
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| 94 | * @return X-position of text
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| 95 | */
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| 96 | int16_t (text_get_x) (const text_t *p);
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| 97 | /**
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| 98 | * @brief Get text y-position.
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| 99 | * @param p Pointer to text
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| 100 | * @return Y-position of text
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| 101 | */
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| 102 | int16_t (text_get_y) (const text_t *p);
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| 103 | /**
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| 104 | * @brief Draw text on the screen buffer.
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| 105 | * @param p Pointer to text
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| 106 | * @return SUCCESS if operation was successful, false otherwise
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| 107 | */
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| 108 | int (text_draw) (const text_t *p); |
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| 109 | |||
| 110 | /**
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| 111 | * @}
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| 112 | */
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| 113 | |||
| 114 | #endif //TEXT_H_INCLUDED |